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Brompton 4 speed gear adjustment
One question we are often asked - how do I adjust / fix / set up my 4 speed derailleur on my Brompton P Line / T Line or C Line Electric (2023 onwards)
So - here goes
The video is split into the following sections:
0:00 | Introduction
0:25 | The Brompton derailleur
1:30 | H Limit adjustment
3:20 | Indexing
4:38 | L Limit adjustment
5:19 | Outtakes
Пікірлер: 49
Fantastic video as usual - thank you!
Thank you. I've always wanted to understand how a Derailleur works and that's the best instruction I've ever seen. 👍👏
@brilliantbikes
8 ай бұрын
Thank you so much h, so glad it was clear, and thank you for watching.
Many thanks for this! My chain started skipping this morning I had previously watched Brompton's own video on resetting the gearing & was thinking I'd probably have to take the bike to a shop to get it sorted. Then I saw this - one quick tweak to the barrel adjuster & everything is running smoothly again!
@brilliantbikes
3 ай бұрын
Many thanks for watching and for your lovely comment. We were also a little confused by the Brompton video!
Thank you for your most useful and illustrative instruction videos. They have been very useful for me on several occasions!
@finncarlbomholtsrensen1188
8 ай бұрын
Yes indeed. Also I have been helped several times! Finn. Denmark
@brilliantbikes
8 ай бұрын
So glad to hear they have helped, thank you for commenting and for watching!
Yay! Great news, had a slipping 1st gear for a while, even after the 1st service, trying to follow the Brompton version made no sense. My gears now work perfectly thanks for making the instructions easy & understandable
@brilliantbikes
8 ай бұрын
So glad! This is why we make these videos thank you so much!
@chriscanty2804
8 ай бұрын
@@brilliantbikes I know, your videos are brilliant, thanks
Thank you for this video - it’s far clearer than the instructions in the Brompton manual for adjusting the P-Line gears
@finncarlbomholtsrensen1188
8 ай бұрын
Also for such a simple thing as "Adjusting the Saddle Pin Insert for use", Brilliant Bikes has a film!!!! Also how to position the special pump, for some Bromptons!!!
@brilliantbikes
8 ай бұрын
Many thanks both for watching! We really appreciate it! So glad it was clear, phew!
Hi, thanks so much for this cool and informative video, I'm buying a P Line Urban next year and really wanted to be self reliant in my servicing. I wish you many peaceful adventures
@brilliantbikes
8 ай бұрын
Thank you for watching! We think they are a lovely bike!
Another excellent video - thank you
@brilliantbikes
8 ай бұрын
Thank you and thank you for watching!
This was a cool video. Thank you. Quite interesting to see for someone who hasnt seen a p-line or t-line. It‘s quite remarkablo how high they can keep it off the ground.
@brilliantbikes
8 ай бұрын
They are such awesome bikes. We are so impressed by the changes!
😊👍
@brilliantbikes
13 күн бұрын
Thank you for watching!
Your videos are brilliant, no pun intended
@brilliantbikes
3 ай бұрын
Many thanks, and many thanks for watching!
thanks for your video. although I changed my 6 speed c-line to external 6 speed gear.
@brilliantbikes
8 ай бұрын
Sounds interesting! What did you use? Thanks for watching!
Helpful tip to use the shopping trolley. I would have part folded the bike and tipped it up. Thanks.
@brilliantbikes
4 ай бұрын
Thanks for watching! We were trying to find a good place to film, we spotted the shopping trolley and thought let’s give that a try! It’s just nicer than being on the floor 😀
Thank you!
@brilliantbikes
8 ай бұрын
Thank you for watching!
The more I watch your videos, the more I am inclined to buy Brompton, and for me the perfect combination is Brompton T line + Metro Backpack Medium and that's all a person needs to be completely happy :P :P :P because for me happiness is having things that make things easier life and not enjoy it. For now, I'm struggling with my thoughts about which Brompton would be perfect for me, the Brompton P or T, or maybe the electric P, so I'm looking for any information about these models, their advantages and disadvantages.
@HolgerNestmann
8 ай бұрын
The metro back pack is great. I would say - go to your local brompton dealer and arrange a test drive. Maybe they only have the p-line, but maybe this is light enough. I have two reliable steel horses in my shed and love even the heavier ones
@brilliantbikes
8 ай бұрын
Come and see us and take them all for a test ride? We made a video comparing the gearing options a while ago, but I still think it’s down to how they ride and what you want them for! Thanks for watching!
V good. V clear.
@brilliantbikes
8 ай бұрын
Thank you!!!
By all mean, do a review of ltwoo 's Brompton derailleur. The thing is a bit hefty and is quite a chunk of metal, but it works flawlessly, like how a modern derailleur should work, and can boost your Brompton up to 9 speed (although o find it works best a 7speed)
Or - you could just avoid all of this by buying a hub geared Brompton, a superb, no-fuss, almost maintenance- free gearing system perfect for round town, country lane and utility riding. Oh, hang on a minute … they’ve moved away from the bombproof little hub and we now have that ugly, fussy derailleur sitting near enough to the floor so it catches every bit of road dirt and means you’ll spend every weekend cleaning your bike! Sorry Hannah, not your fault, but I’d rather be out on my little hub-geared bike having adventures rather than constantly indexing and cleaning it’s fussy, fugly gear set! My opinion, I appreciate if you live in a hot dry country derailleurs on the floor are not a problem!
@brilliantbikes
8 ай бұрын
Thank you so much for watching! I kind of agree I have a 6 speed Brompton as my main bike! But it makes a good lighter weight option for commuting
Rough welding
@brilliantbikes
8 ай бұрын
Sorry not sue where the rough welding is, but thanks for watching!
A pity Brompton hasn’t put more effort into developing real-world improvements such as 20” wheels, front suspension or disc brakes. But If, as they claim, their sole focus is on city riding - ignoring the many of us who use their Bromptons for touring and utility purposes - what is the real gain in having a narrow-range, vulnerable, dirt-attracting multi-adjustable conventional derailleur over the existing robust, wide-range hub gear that usually needs a single adjustment only every thousand miles? Answer apparently: it weighs slightly less.
@naromsky
8 ай бұрын
Amen.
@brilliantbikes
8 ай бұрын
I’ve been quite impressed with the four speed, yes it has a narrower range, but the light weight really helps to counter balance that. I can’t wait to see the future! Thanks for watching
@HolgerNestmann
8 ай бұрын
Do we know how much lighter it is? I recently electrified a brompton and I was honestly surprised about the improved ride quality bringing the center of mass slightly down. Now I could achieve the same by loosing a couple of pounds, but still surprising
@kargi42
8 ай бұрын
You are joking, right? If you put 20" wheels, a suspension and disc brakes it is not a Brompton any more but a chunky regular folding bike. Go, get a Tern or Dahon. But it would be really great if they had designed more capable hub hear with Rohloff. I suppose Brompton can afford the development of new high range 115mm OLD Rohloff hub. But there might be some nationalistic politics involved in that :)
@john3892
8 ай бұрын
Check out Kinetics bikes in Glasgow. They have been making reliable, robust, fully folding Bromptons with disc brakes, multi-gear hubs and wheels up to 20” for years now. And Steve Parry was experimenting with front suspension on Bromptons 20+ years ago.
Brompton should have marked the small bolts: High and Low, to make it a little more clear what to adjust! If in Asia, you are able to buy a 7 gear Brompton-like wheel, with the same kind of Changer System. Finn. Denmark
@brilliantbikes
8 ай бұрын
Thanks for watching! Yes it would be helpful!